:root { --ink: #1f2a24; --muted: #5b6760; --line: #dfe4e0; --accent: #2f5d46; --bg: #fbfcfb; }
* { box-sizing: border-box; }
body { margin: 0; font: 17px/1.6 Georgia, "Times New Roman", serif; color: var(--ink); background: var(--bg); }
.wrap { max-width: 44rem; margin: 0 auto; padding: 0 1.25rem; }
header { border-bottom: 1px solid var(--line); padding: 1rem 0; }
.mark { font-weight: bold; letter-spacing: .04em; color: var(--accent); }
main { padding: 2.5rem 1.25rem 3rem; }
h1 { font-size: 2rem; font-weight: normal; margin: 0 0 .5rem; }
h2 { font-size: 1.1rem; margin: 2rem 0 .25rem; color: var(--accent); }
.lede { color: var(--muted); font-size: 1.1rem; }
footer { border-top: 1px solid var(--line); padding: 1.25rem 0; color: var(--muted); font-size: .85rem; }